The invention relates to a disposable 20 connector suitable for mechanical filtering 18018 connected to a door. Mainly include: a rigid body 2022 specified pipeline 220, and a customized software component at one end 24 body 22.In the connector 2024 according to the present invention, the soft element includes a membrane alpha pi_phi p__e_220 and 240 pipe valves to achieve a function and a department A plug 242 extends radial to outer 220.
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